CN210970688U - Display module with touch interface for a vehicle passenger compartment and passenger compartment comprising such an interface - Google Patents
Display module with touch interface for a vehicle passenger compartment and passenger compartment comprising such an interface Download PDFInfo
- Publication number
- CN210970688U CN210970688U CN201921043828.XU CN201921043828U CN210970688U CN 210970688 U CN210970688 U CN 210970688U CN 201921043828 U CN201921043828 U CN 201921043828U CN 210970688 U CN210970688 U CN 210970688U
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- CN
- China
- Prior art keywords
- display module
- touch interface
- passenger compartment
- printed circuit
- flexible printed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012790 adhesive layer Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229920006127 amorphous resin Polymers 0.000 description 1
- 229920006038 crystalline resin Polymers 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 235000021189 garnishes Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- B60K35/50—
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
Abstract
A display module (22) having a touch interface for a vehicle passenger compartment, and comprising: a support member (28), a touch interface (24) comprising a front surface (24A) capable of displaying a touch element in the passenger compartment and a rear surface (24B) opposite the front surface (24A), the rear surface (24B) being directly secured to the support member (28), and a flexible printed circuit (32), the support member (28) having an opening (30), the flexible printed circuit (32) being disposed through the opening (30), the flexible printed circuit (32) being secured to the rear surface (24B) of the touch interface (24). The utility model discloses still relate to a vehicle passenger cabin, it includes the display module.
Description
Technical Field
The present invention relates to vehicles, and more particularly to motor vehicles. The utility model discloses still relate to the passenger cabin of vehicle. More particularly, the present invention relates to a display module with a touch interface for a vehicle passenger compartment.
Background
The vehicle passenger compartment typically includes a plurality of display modules. These display modules are connected to the electrical system of the vehicle. For example, the dashboard of the passenger compartment of the vehicle comprises a display module capable of displaying the instantaneous speed of the vehicle or a display module capable of displaying the filling level of the fuel tank of the vehicle.
The vehicle passenger compartment typically includes at least one touch screen type display module. Thus, a driver or user of the vehicle may interact with the electrical system of the vehicle through the touch screen. For example, the touch screen type display module is connected to a positioning system of the vehicle, such as a Global Positioning System (GPS). Thus, the driver can input the destination address through the touch screen to determine the route.
Conventionally, a display module includes a touch screen and a support member for the touch screen that is secured to a portion of the vehicle passenger compartment, which may be an instrument panel. Typically, the dashboard includes a main component formed as a single piece. The component consists essentially of plastic. Thus, the main components of the instrument panel are formed by injection. This is why the support member of the touch screen is typically part of the dashboard.
The display module is generally manufactured by over molding. The touch screen forming the insert is positioned in the mould and the plastics material used to form the support member, or sometimes more generally the main components of the touch screen, is injected around the insert. In addition, in order to electrically connect the touch screen to an electrical system of the vehicle, an electrical connection member is provided on an edge of the touch screen. Thus, the electrical connection member is positioned in the mold simultaneously with the touch screen.
However, when the mold is closed, the electrical connection member is subjected to mechanical stress of the mold. Therefore, the electrical connection member is damaged during the secondary molding of the support member. In addition, it is difficult to achieve precise positioning of the touch screen and the electrical connection member, particularly in mass production.
Utility modelIt is an object of the present invention to provide a vehicle having a passenger compartment for a vehicleThe display module of the touch interface of (1) is more reliable and easier to manufacture.
SUMMERY OF THE UTILITY MODEL
To achieve this object, the utility model provides a display module with touch interface for the vehicle passenger cabin, this display module includes:
-a support member for supporting the support member,
a touch interface comprising a front surface capable of displaying a touch element in the passenger compartment and a rear surface opposite the front surface, the rear surface being directly fixed to the support member, an
-a Flexible Printed Circuit (FPC),
wherein the support member has an opening through which the flexible printed circuit is disposed, the flexible printed circuit being secured to the rear surface of the touch interface.
Thus, the support member is open, which includes openings that allow the flexible printed circuit to be electrically connected to the touch interface. Accordingly, the support member may be overmolded over the touch interface prior to electrically connecting the flexible printed circuit to the touch interface. Thus, the mold no longer mechanically stresses the flexible printed circuit, which serves as an electrical connection member between the touch interface and the electrical system of the vehicle. In addition, since the flexible printed circuit is flexible by definition, it is simple to dispose it in the vehicle passenger compartment in order to connect it to the electrical system of the vehicle. Therefore, the display module is easier to manufacture.
Additionally, the support member may be overmolded around the touch interface. The display module is therefore more reliable.
Additionally, in various embodiments of the present invention, one or more of the following arrangements may also be used:
-the flexible printed circuit is directly fixed to the rear surface of the touch interface;
the display module forms a control interface for the vehicle system;
the system of the vehicle may be at least one of the following systems: an air conditioning system for the passenger compartment, a heating system for the passenger compartment, a radio receiver, a system for defrosting a windshield of the passenger compartment, a geolocation system of the vehicle, a system for locking a hood of the vehicle in a closed position, a system for locking a trunk of the vehicle in a closed position, and a system for locking a door of the vehicle in a closed position;
-the support member is a trim part of the passenger compartment of the vehicle;
-the support member is a trim part of an instrument panel of the passenger compartment of the vehicle;
the support member comprises an opening, the touch interface being arranged within the opening;
-the outer circumferential edge of the touch interface connecting the front and rear surfaces is directly fixed to the support member;
-the flexible printed circuit is fixed on the rear surface of the touch interface by a layer of conductive adhesive;
the conductive adhesive layer is an anisotropic conductive film, also abbreviated as ACF; such adhesives are particularly useful for connecting touch interfaces to control electronics;
-the flexible printed circuit comprises an electrical connector arranged at a second end opposite to the first end fixed to the rear surface of the touch interface; electrical connectors enable the touch interface to be electronically connected to control electronics of the touch interface;
-the flexible printed circuit comprises an electrical connector arranged at a second end opposite to the first end fixed to the rear surface of the touch interface; electrical connectors enable the touch interface to be electronically connected to control electronics of the touch interface;
the display module comprises control electronics for controlling the touch interface and electrical connectors connected to the flexible printed circuit;
-the control electronics comprise a printed circuit;
-the touch interface is capacitive;
the touch interface is of the thin film transistor type, also abbreviated to TFT;
the touch interface is of the organic light-emitting diode type, also abbreviated as O L ED;
the touch interface is of the active matrix organic light emitting diode type, also abbreviated AMO L ED;
the touch interface comprises a protective film covering the front surface of the touch interface;
-the protective film is transparent;
-the protective film is translucent;
-securing the protective film to the front surface of the touch interface by means of a transparent adhesive layer.
Finally, according to the present invention, a vehicle passenger compartment is provided, comprising a display module as described above.
Drawings
An embodiment of the invention will now be described as a non-limiting example with the aid of the following figures:
figure 1 is a perspective view of a vehicle passenger compartment comprising a display module according to the invention, an
Fig. 2 is a cross-sectional view of the display module.
Detailed Description
Shown in fig. 1 is a passenger compartment 10 of a motor vehicle according to the invention. In this exemplary embodiment, the invention is embodied in a passenger compartment 10 of a motor vehicle. However, it will be noted that the invention may be implemented in any type of vehicle.
The passenger compartment 10 of the motor vehicle includes a driver seat 12 and a front passenger seat 14. Further, the passenger compartment 10 includes an instrument panel 16, and the instrument panel 16 includes a decorative garnish 17 and is disposed facing the driver seat 12 and the front passenger seat 14. Further, the instrument panel 16 forms a support from which extends a steering wheel 18, the steering wheel 18 being disposed facing the driver seat 12. Further, the instrument panel 18 includes a glove box 20 disposed facing the front passenger seat 14.
In addition, between the steering wheel 18 and the glove box 20, the instrument panel 16 includes a display module 22. The display module 22 enables display of parameters related to the vehicle. In particular, it makes it possible to display parameters relating to the instantaneous speed of the motor vehicle, the temperature inside the passenger compartment 10, the position of the vehicle, the radio station being listened to inside the passenger compartment 10 or the fuel level in the tank of the motor vehicle. In general, the display module 22 is capable of displaying any type of information related or unrelated to the motor vehicle.
In addition, the display module 22 is connected to the electrical system of the vehicle and has a touch interface. Thus, a driver or passenger of the vehicle may interact with the display module 22. The driver or passenger may also interact with the electrical system of the vehicle by means of the display module 22. In particular, the driver or passenger can thus control a vehicle system which may be of any type. The system of the vehicle may be in particular a heating or air conditioning system for the passenger compartment 10 and/or a geo-location system and/or a locking system of the doors for the passenger compartment 10. Thus, the display module 22 forms a control interface for one or more systems of the vehicle.
Further, in this embodiment, the display module 22 is placed on the instrument panel 16. In the context of the present invention, the display module 22 may be placed in any component of the passenger compartment 10. The display module 22 can be placed in particular on the inner surface of a door of the motor vehicle, with respect to the interior of the passenger compartment 10.
The display module 22 will now be described in more detail with the aid of fig. 2.
The display module 22 comprises a touch interface 24. the touch interface 24 comprises a capacitive liquid crystal touch screen, also abbreviated L cd. in this embodiment, the capacitive touch screen is of the thin film transistor type, also abbreviated tft. according to a variant of the present embodiment, the touch screen is of the organic light emitting diode type, also abbreviated O L ED, or of the active matrix organic light emitting diode type, also abbreviated AMO L ED. more generally, the liquid crystal touch screen can be of any type.
As shown in FIG. 2, the touch interface 24 includes a front surface 24A and a back surface 24B opposite the front surface 24A. The front surface 24A can display images in the passenger compartment 10. Referring to FIG. 1, it faces a driver seat 12 and a front passenger seat 14.
The front surface 24A of the touch interface 24 is further covered with a protective film 26, and the protective film 26 functions to protect the front surface 24A. The protective film 26 includes a front surface 26A and a rear surface 26B opposite the front surface 26A. The rear surface 26B of the protective film 26 is in direct contact with the front surface 24A of the touch interface 24. The front surface 26A of the protective film 26 faces the driver seat 12 and the front passenger seat 14. In addition, the protective film 26 is transparent or translucent and has a thickness of between 1 and 5 mm. In addition, the protective film 26 is fixed to the front surface 24A of the touch interface 24 through a transparent adhesive layer. According to a variant, the adhesive layer is translucent. Advantageously, the transparent adhesive layer may be an optical adhesive layer. The optical adhesive has optical properties such that reflection of light emitted by the front surface 24A of the touch interface 24 and passing through the adhesive layer is limited. Therefore, the driver and the passenger clearly observe the image displayed by the front surface 24A of the touch interface 24.
Further, the display module 22 includes a support member 28. The support member 28 serves to support the touch interface 24, and forms an interface between the touch interface 24 and the instrument panel 16. The support member 28 may be integral with, in particular, the decorative trim 17 of the instrument panel 16, or more generally with any other portion of the instrument panel 16.
Also, the rear surface 24B of the touch interface 24 is directly fixed to the support member 28. Further, the outer circumferential edge of the touch interface 24 connecting the front surface 24A and the rear surface 24B is also directly fixed to the support member 28. The support member 28 thus includes an opening that receives the touch interface 24. Further, the support member 28 includes an opening 30, the opening 30 leading to the rear surface 24B of the touch interface 24, and the function thereof will be described below.
The display module 22 also includes a flexible printed circuit 32. The flexible printed circuit 32 includes an elongated main member, a first longitudinal end 34A, and a second longitudinal end 34B opposite the first longitudinal end 34A.
The first longitudinal end 34A of the flexible printed circuit 32 is secured to the rear surface 24B of the touch interface 24, and may advantageously be secured directly to the rear surface 24B of the touch interface 24. This arrangement is possible because of the presence of the openings 30 formed in the support member 28. The opening 30 is penetrated by a flexible printed circuit 32. Thus, the first longitudinal end 34A of the flexible printed circuit 32 is electrically connected to the touch interface 24. The first longitudinal end 34A of the flexible printed circuit 32 is secured to the back surface 24B of the touch interface 24 by means of a conductive adhesive layer 36, the conductive adhesive layer 36 being an anisotropic conductive film, also abbreviated as ACF, herein. In general, the anisotropic conductive film makes it possible to produce anisotropic conductive connection between the terminal end of the first electronic component and the terminal end of the second electronic component, and may include crystalline resin, amorphous resin, and conductive particles.
The display module 22 also includes control electronics. The second longitudinal end 34B of the flexible printed circuit 32 forms an electrical connector and makes it possible to electrically connect the flexible printed circuit 32 to the control electronics of the touch interface 24. In this manner, the touch interface 24 is electrically connected to the control electronics. The control electronics may be, in particular, a printed circuit. In addition, according to a variant, the flexible printed circuit 32 forms the control electronics of the touch interface 24.
A method of manufacturing the display module 22 will now be described.
First, the mold is placed in an open position.
Next, the touch interface 24 is set in the mold.
The mold is then closed.
Next, the hot, soft thermoplastic material used to form the support member 28 is injected into the mold.
Waiting for the thermoplastic material to cool to solidify it. Thus, the support member 28 is overmolded onto the touch interface 24.
Next, the conductive adhesive layer 36 is placed on a portion of the back surface 24B of the touch interface 24 that is accessible due to the presence of the opening 30 formed in the support member 28.
The first longitudinal end 34A of the flexible printed circuit 32 is then secured to the back surface 24B of the touch interface 24 by means of the conductive adhesive layer 36.
Next, the second longitudinal end 34B of the flexible printed circuit 32 is connected to the control electronics.
Of course, many modifications may be made to the present invention without departing from the scope thereof.
Claims (9)
1. A display module (22) having a touch interface for a vehicle passenger compartment (10), the display module comprising:
-a support member (28),
-a touch interface (24) comprising a front surface (24A) able to display a touch element in the passenger compartment and a rear surface (24B) opposite to the front surface (24A), the rear surface (24B) being directly fixed to the support member (28), and
-a flexible printed circuit (32),
the support member (28) has an opening (30), the flexible printed circuit (32) is disposed through the opening (30), and the flexible printed circuit (32) is secured to the rear surface (24B) of the touch interface (24).
2. The display module (22) of claim 1 wherein the flexible printed circuit (32) is secured to the back surface (24B) of the touch interface (24) by a layer of conductive adhesive (36).
3. The display module (22) of claim 2 wherein the conductive adhesive layer (36) is an anisotropic conductive film.
4. The display module (22) of claim 1 wherein the flexible printed circuit (32) includes an electrical connector disposed at a second end opposite the first end secured to the back surface (24B) of the touch interface (24).
5. A display module (22) according to claim 4 comprising control electronics for controlling the electrical connectors of the touch interface (24) and connected to the flexible printed circuit (32).
6. The display module (22) of claim 1 wherein the touch interface (24) is capacitive.
7. The display module (22) of claim 1 including a protective film (26) covering the front surface (24A) of the touch interface (24).
8. A display module (22) according to any one of the preceding claims wherein the protective film (26) is secured to the front surface (24A) of the touch interface (24) by a transparent adhesive layer.
9. A vehicle passenger compartment (10) comprising a display module (22) according to any one of claims 1 to 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1856261 | 2018-07-06 | ||
| FR1856261A FR3083629B1 (en) | 2018-07-06 | 2018-07-06 | TOUCH INTERFACE TYPE DISPLAY MODULE FOR A VEHICLE COCKPIT AND COCKPIT INCLUDING SUCH AN INTERFACE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210970688U true CN210970688U (en) | 2020-07-10 |
Family
ID=65494183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921043828.XU Active CN210970688U (en) | 2018-07-06 | 2019-07-05 | Display module with touch interface for a vehicle passenger compartment and passenger compartment comprising such an interface |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210970688U (en) |
| FR (1) | FR3083629B1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09321449A (en) * | 1996-05-27 | 1997-12-12 | Clarion Co Ltd | Recording medium reproduction device |
| US7869196B2 (en) * | 2006-12-28 | 2011-01-11 | Fujitsu Ten Limited | Electronic apparatus |
| JP2014164276A (en) * | 2013-02-27 | 2014-09-08 | Japan Display Inc | Display device and electronic device |
| KR20140110539A (en) * | 2013-03-08 | 2014-09-17 | 삼성디스플레이 주식회사 | Display apparatus |
| CN106537485B (en) * | 2014-07-25 | 2019-07-16 | 株式会社半导体能源研究所 | Display device and electronic equipment |
-
2018
- 2018-07-06 FR FR1856261A patent/FR3083629B1/en active Active
-
2019
- 2019-07-05 CN CN201921043828.XU patent/CN210970688U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR3083629B1 (en) | 2020-06-26 |
| FR3083629A1 (en) | 2020-01-10 |
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| GR01 | Patent grant |